CURRENT BAND CONDX =
Solar-terrestrial indices for 17 October follow.
Solar flux 70 and estimated planetary A-index 6.
The estimated planetary K-index at 0900 UTC on 18 October was 1.
No space weather storms were observed for the past 24 hours.
No space weather storms are predicted for the next 24 hours.
WHISKY ( WHITE )
ALERT CONDITION: WHISKY ( WHITE )
Wednesday, October 18, 2017 - 12:21 GMT - UPDATE # 25
OPERATIONAL FORECAST. - GEOMAGNETIC FIELD.
The geomagnetic field is expected to be at quiet to unsettled levels on
days one and two (18-19 Oct) as CH HSS effects continue to wane. Quiet
conditions are likely to return on day three (20 Oct).
.- SOLAR ACTIVITY.
Solar activity is expected to continue at very low levels the next three
days (18-20 Oct).
LIGHTNING - (QRN) HF OPERATIONAL
BRIEFING - CURRENT CONDITIONS IN DETAIL CURRENT SOLAR
CONDITIONS VISIBLE DISK
G/S/R SCALES USED DEF'S USED LIGHTNING - (QRN)
HF OPERATIONAL BRIEFING - CURRENT CONDITIONS IN DETAIL
CURRENT SOLAR CONDITIONS
Solar activity remained very low. No Earth-directed CMEs were observed in available coronagraph imagery.
RADIO BLACKOUTS - SOLAR STORMS - GEOMAGNETIC STORMS
The geomagnetic field was quiet, despite waning CH HSS conditions.
"D" LAYER - HF ATTENUATION LEVELS
AURORA - NORTH POLE - SHORT PATH